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Finding the Fourth Proportional to 555,227.76, 832,491.72 and 471,017.46

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Solution

The fourth proportional to 555,227.76, 832,491.72 and 471,017.46 is: 706,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,227.76 : 832,491.72 = 471,017.46 : x
  2. Step 2: Convert to fraction form
    555,227.76/832,491.72 = 471,017.46/x
  3. Step 3: Cross multiply
    555,227.76x = 832,491.72 × 471,017.46
  4. Step 4: Simplify right side
    555,227.76x = 392,118,135,425.43
  5. Step 5: Solve for x
    x = 392,118,135,425.43/555,227.76
  6. Step 6: Final answer
    x = 706,229.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.